Rotary Cuff surgery

Anybody ever have it done ... MRI results show tendon that runs on top complete torn ... 1 cm retraction from bone ... Doc says 50% may not be able to reattach ... Had cortozone shot in shoulder .. feels worse ... how long does it take for pain to completely go away after shot ... did your pain radiat all around shoulder and sometimes down arm .... how is recovery time ... ex: pain , discomfort , do you need narcotics for pain?
Thanks Fabo members ....